Chapter 5:
Types of Compounds
Practice Test
1.
Fluorine atoms tend to react to form _______ ions.
a.
1-
b.
3+
c.
5-
d.
7+
Hint
2.
What is the formula for sulfur trioxide?
a.
S
3
O
b.
SO
3
2-
c.
SO
d.
SO
3
Hint
3.
Name the ionic compound represented by the formula Mg(OH)
2
.
a.
magnesium oxide
b.
magnesium hydrate
c.
magnesium hydroxide
d.
manganese hydroxide
Hint
4.
Which of these formulas does not represent a polyatomic ion?
a.
NO
2
-
b.
PO
4
3-
c.
CO
d.
CN
-
Hint
5.
Name the molecular compound represented by the formula PF
5
.
a.
phosphorus(V) fluorine
b.
phosphorus fluorine
c.
phosphate
d.
phosphorus pentafluoride
Hint
6.
Compounds that contain water are called __________.
a.
anhydrous
b.
hydrates
c.
aqueous
d.
aluminates
Hint
7.
The formula for barium nitrite is __________.
a.
BaNO
b.
BaNO
32
c.
Ba(NO
2
)
2
d.
Ba(NO
3
)
2
Hint
8.
The simplest ratio of ions in an ionic compound is displayed in a _____________.
a.
molecule
b.
formula unit
c.
ion charge
d.
network
Hint
9.
Which of these formulas represents the nitrate ion?
a.
NO
3
-
b.
HNO
3
c.
H
3
N
d.
NO
2
-
Hint
10.
In aqueous solution, H
2
SO
4
is called _______________.
a.
nitric acid
b.
sulfuric acid
c.
hydrogen sulfur oxide
d.
hydrogen sulfite
Hint
11.
What is the formula for the binary compound that forms when potassium and sulfur react?
a.
K
2
SO
4
b.
KS
c.
KS
2
d.
K
2
S
Hint
12.
The formulas O
2
, P
4
, and S
8
show that oxygen, phosphorus, and sulfur are _______________.
a.
ionic elements
b.
hydrates
c.
molecular elements
d.
diatomic
Hint
13.
What is the name of the molecular compound NO
2
?
a.
nitrogen dioxide
b.
dinitrogen dioxide
c.
nitrite
d.
nitrogen dioxygen
Hint
14.
These types of compounds make eggshells brittle.
a. ionic
b. covalent
c. network
d. molecular
Hint
15.
C
5
H
12
is the formula for the hydrocarbon _____________.
a.
carbon hydride
b.
hexane
c.
methane
d.
pentane
Hint
16.
Na
2
SO
4
is the formula for _______________.
a.
sodium sulfide
b.
sodium sulfate
c.
sodium sulfite
d.
sodium sulfur oxide
Hint
17.
Diatomic oxygen and ozone are _____________.
a.
allotropes
b.
different elements
c.
ionic
d.
isotopes
Hint
18.
The formula for a covalent compound is called a _______________.
a.
macromolecule
b.
covalent formula
c.
molecular formula
d.
covalent formula
Hint
19.
What is the formula for lithium carbonate?
a.
Li
2
CO
3
b.
LiCO
c.
Li
3
CO
2
d.
LiCO
3
Hint
20.
The sum of the charges in an ionic compound must equal ________.
a.
negative eight
b.
positive eight
c.
positive one
d.
zero
Hint
